Choose aProduct→Choose aPlatform→Choose aVersion→ClickDownload

Download 12.1 (21C52) for MacBook Pro (M1 Pro, 14-inch, 2021)

Version:	12.1
Build:	21C52
Signed:	Yes
Size:	13.17 GB
Release Date:	2021-12-13 18:34:13
Upload Date:	2021-12-08 20:08:40
SHA1:	04421498d4e6e031f2269c988a2663ebacb774e4
MD5:	f372884892c445b80993250b65f6bebb
SHA256:	8d3863cd4a09d5cfd75c4a3e61f7605d800f653b5ecd6e8628b19a44de6a67b0

Secure download directly from Apple's servers

IPSW Portal